[afnog] RED drops under class-of-service

ibtisam jamal ibty.jamal at gmail.com
Mon Nov 7 08:05:58 UTC 2011


Hi ,

See the queue statistics below

@@@@@@@@show interfaces queue ge-0/0/2 | no-more
Physical interface: ge-0/0/2, Enabled, Physical link is Up
  Interface index: 171, SNMP ifIndex: 726
  Description: New Dar Site
Forwarding classes: 16 supported, 4 in use
Ingress queues: 4 supported, 4 in use
Queue: 0, Forwarding classes: best-effort
  Queued:
    Packets              :             696336711                  1489 pps
    Bytes                :          117619853234               1998000 bps
  Transmitted:
    Packets              :             696336711                   1489 pps
    Bytes                :          117619853234               1998000 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
Queue: 1, Forwarding classes: expedited-forwarding
  Queued:
    Packets              :           30292391705                122379 pps
    Bytes                :         2929309577799              95991296 bps
  Transmitted:
    Packets              :           30288876905                 122318 pps
    Bytes                :         2928968762144              95942952 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :               3514800                    61 pps
    RED-dropped bytes    :             340815655                 48344 bps
Queue: 2, Forwarding classes: assured-forwarding
  Queued:
    Packets              :            1361861573                  3857 pps
    Bytes                :          435633928879              10583216 bps
  Transmitted:
    Packets              :            1361861081                   3857 pps
    Bytes                :          435633859060              10583216 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :                   492                     0 pps
    RED-dropped bytes    :                 69819                     0 bps
Queue: 3, Forwarding classes: network-control
  Queued:
    Packets              :              89442422                   353 pps
    Bytes                :           16666139764                534792 bps
  Transmitted:
    Packets              :              89442422                    353 pps
    Bytes                :           16666139764                534792 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
Forwarding classes: 16 supported, 4 in use
Egress queues: 4 supported, 4 in use
Queue: 0, Forwarding classes: best-effort
  Queued:
    Packets              :            1545546720                  3753 pps
    Bytes                :          649228721351              14001776 bps
  Transmitted:
    Packets              :            1545546720                   3753 pps
    Bytes                :          649228721351              14001776 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
Queue: 1, Forwarding classes: expedited-forwarding
  Queued:
    Packets              :           39891854589                173770 pps
    Bytes                :         3832315712724             136455984 bps
  Transmitted:
    Packets              :           39891854589                 173770 pps
    Bytes                :         3832315712724             136455984 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
Queue: 2, Forwarding classes: assured-forwarding
  Queued:
    Packets              :             619013571                  1760 pps
    Bytes                :          228006940471               5355072 bps
  Transmitted:
    Packets              :             619013571                   1760 pps
    Bytes                :          228006940471               5355072 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
Queue: 3, Forwarding classes: network-control
  Queued:
    Packets              :              18729568                    42 pps
    Bytes                :            3120517704                 58704 bps
  Transmitted:
    Packets              :              18729568                     42 pps
    Bytes                :            3120517704                 58704 bps
    Tail-dropped packets : Not Available
    RED-dropped packets  :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
Packet Forwarding Engine Chassis Queues:
Queues: 4 supported, 4 in use
Queue: 0, Forwarding classes: best-effort
  Queued:
    Packets              :           32171907292                 80850 pps
    Bytes                :        16713974514646             330312864 bps
  Transmitted:
    Packets              :           32171907290                  80850 pps
    Bytes                :        17372990147929             343521344 bps
    Tail-dropped packets :                     0                     0 pps
    RED-dropped packets  :                     0                     0 pps
     Low, non-TCP        :                     0                     0 pps
     Low, TCP            :                     0                     0 pps
     High, non-TCP       :                     0                     0 pps
     High, TCP           :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
     Low, non-TCP        :                     0                     0 bps
     Low, TCP            :                     0                     0 bps
     High, non-TCP       :                     0                     0 bps
     High, TCP           :                     0                     0 bps
Queue: 1, Forwarding classes: expedited-forwarding
  Queued:
    Packets              :          105461086514                418192 pps
    Bytes                :         7377185862969             239171056 bps
  Transmitted:
    Packets              :          105461086524                 418196 pps
    Bytes                :         9607362151734             311421600 bps
    Tail-dropped packets :                     0                     0 pps
    RED-dropped packets  :                     0                     0 pps
     Low, non-TCP        :                     0                     0 pps
     Low, TCP            :                     0                     0 pps
     High, non-TCP       :                     0                     0 pps
     High, TCP           :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
     Low, non-TCP        :                     0                     0 bps
     Low, TCP            :                     0                     0 bps
     High, non-TCP       :                     0                     0 bps
     High, TCP           :                     0                     0 bps
Queue: 2, Forwarding classes: assured-forwarding
  Queued:
    Packets              :            5527584390                 13550 pps
    Bytes                :         1652277139842              35768000 bps
  Transmitted:
    Packets              :            5527584390                  13550 pps
    Bytes                :         1764166616296              37981760 bps
    Tail-dropped packets :                     0                     0 pps
    RED-dropped packets  :                     0                     0 pps
     Low, non-TCP        :                     0                     0 pps
     Low, TCP            :                     0                     0 pps
     High, non-TCP       :                     0                     0 pps
     High, TCP           :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
     Low, non-TCP        :                     0                     0 bps
     Low, TCP            :                     0                     0 bps
     High, non-TCP       :                     0                     0 bps
     High, TCP           :                     0                     0 bps
Queue: 3, Forwarding classes: network-control
  Queued:
    Packets              :            1372384493                  3720 pps
    Bytes                :          239831769077               5274456 bps
  Transmitted:
    Packets              :            1372384493                   3719 pps
    Bytes                :          265645353452               5836640 bps
    Tail-dropped packets :                     0                     0 pps
    RED-dropped packets  :                     0                     0 pps
     Low, non-TCP        :                     0                     0 pps
     Low, TCP            :                     0                     0 pps
     High, non-TCP       :                     0                     0 pps
     High, TCP           :                     0                     0 pps
    RED-dropped bytes    :                     0                     0 bps
     Low, non-TCP        :                     0                     0 bps
     Low, TCP            :                     0                     0 bps
     High, non-TCP       :                     0                     0 bps
     High, TCP           :                     0                     0 bps



On Sun, Nov 6, 2011 at 8:46 AM, Mark Tinka <mtinka at globaltransit.net> wrote:

> On Wednesday, November 02, 2011 06:47:03 PM ibtisam jamal
> wrote:
>
> > Hi ,
> >
> > Please see the interface queues below we have seeing RED
> > droped packets ,could it be something wrong in the
> > configurations.
>
> According to your previous post, the interface was reporting
> packets for your 'ef' queue being dropped on ingress.
>
> Can you also do a 'show interfaces queue ge-x/x/x'
>
> Cheers,
>
> Mark.
>
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